IAG 950 CNC Ported Race Cylinder Heads Package Includes:

• (x2) Brand New Subaru OEM Cylinder Head Castings
• (x8) GSC 37mm (+1mm) Intake Valves
• (x8) GSC 33mm (+1mm) SuperAlloy Exhaust Valves
• (x16) IAG-Spec Beehive Springs & Retainers
• (x16) GSC Manganese-Bronze Valve Guides
• (x16) GSC Valve Stem Seals
• IAG Performance CNC Porting
• Multi-Angle Valve Job
• Drilling for compatibility with 1/2″ or 14mm Head Studs
• Machined Cam Lobe Clearance
• Resurface
• Ultrasonic Cleaning

Optional Camshaft Package Also Includes:

• GSC S2 Camshafts
• (x16) OEM Lifter Buckets
• Bench Valve Lash Service (Final Lash Should be Checked and Adjusted Once Heads are Installed)